A Straight Wire of Length 5 $\circ$ with the Magnetic Field Lines

question 4

Multiple Choice

A straight wire of length 5.0 m carries a current I and it is placed on a horizontal table in a horizontal uniform magnetic field of magnitude 0.016 T.The wire makes an angle of 25 ^$\circ$ with the magnetic field lines.If the magnitude of the magnetic force on the wire is 0.62 N,what is the current I?

• A)35 A
• B)18 A
• C)45 A
• D)24 A
• E)65 A

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